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Service bulletin 030309002

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10005181
Published by NHTSA2004-02-11
Manufacturer's number030309002
Manufacturer's date2007-07-01
Replaces030309002B
NHTSA componentSUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY; SUSPENSION

NHTSA's summary

REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07. *NJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension

Vehicles listed
CHEVROLET AVALANCHE2002, 2003, 2004
CHEVROLET AVALANCHE 25002005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS2008
CHEVROLET EXPRESS 25002005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO1999, 2000, 2001, 2002, 2003, 2004
CHEVROLET SILVERADO 15002005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2000, 2001, 2002, 2003, 2004
CHEVROLET SUBURBAN 15002007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002008 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA2003, 2004
GMC SAVANA2008
GMC SAVANA 25002005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA1999, 2000, 2001, 2002, 2003, 2004
GMC SIERRA 15002005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20022112002-11-15. Suspension
20011002001-04-24. Suspension

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
05-03-08-002J2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-03-08-002J2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
15-00-89-004G2024-05-15. Service bulletin. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
PI0430B2024-05-06. Service bulletin. Magnetically Controlled Suspension Electrical Connector Not Seated.
PIT5049A2023-12-26. Service bulletin. Rattle Squeak Clunk Bump Noise From Front Suspension.
PIT4954C2023-12-26. Service bulletin. Suspension.
PIT5120A2023-12-11. Service bulletin. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
15NA082B2023-12-11. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps
15NA0822023-12-11. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps
1203100032023-12-04. Service bulletin. Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns